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3 cards from this section. Quick, good the night before a test.
What is the formula for calculating hydraulic radius?
Think about how the area of a shape relates to its perimeter.
What does the symbol 'Q' represent in fluid mechanics?
Recall what we discussed regarding fluid flow.
What is the primary use of Manning's equation?
Remember the main focus of the equation.
True or False: The hydraulic radius is calculated by dividing the area by hydraulic depth.
Consider the definitions of each term.
For a circular pipe with a diameter of 1.2 m and water flowing at a depth of 0.50 m, with a slope of 1 in 800, derive an equation predicting discharge. Show your calculations.
Break the problem down into calculating area and wetted perimeter first.
Consider two different circular pipes, one with a higher slope than the other. Explain qualitatively how the discharge would differ and what other factors might influence this.
Think about how gravity works in terms of flow.
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